feat(mqtt): add MQTT v5 client5 module with per-message properties - #678

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danielmeza wants to merge 14 commits into

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danielmeza:feat/mqtt5-client5

Commits on Aug 16, 2026

Add MQTT 5.0 protocol support with error codes
danielmeza
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dbede8e
feat(mqtt): enhance MQTT 5.0 support with event properties and error handling
danielmeza
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629dddf
Format code
danielmeza
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fd929a9
Refactor MQTT v5 error code conversion and EventProperty
danielmeza
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9c74db0
Add MQTT v5 property support to client APIs
danielmeza
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ec381c8
remove async implementation prior to V5 redesign
danielmeza
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e880c58
Refactor MQTT v5 client to use property config options
danielmeza
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6bf2c6c
Refactor MQTT5 property config handling for safety
danielmeza
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c589bdc
Remove mutability from RawCstrs in unsubscribe config
danielmeza
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27dce0c
feat(mqtt5): use atomic per-message publish5/subscribe5/unsubscribe5 APIs
danielmeza
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fb7d7bd
docs: add client5 MQTT v5 support to the CHANGELOG
danielmeza
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f6e0c76
fix(mqtt5): gate client5 behind an opt-in mqtt_protocol_v5 feature
danielmeza
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4eadb47
build: patch embedded-svc to git master for the mqtt_protocol_v5 feature
danielmeza
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0dc3141

Commits on Aug 17, 2026

fix(mqtt5): NUL-terminate share_name before handing it to the C API
danielmeza
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7871330